Harman US

Descanso, CA Weather & Growing Conditions

Today
81°F
Sunny
Sunny, with a high near 81. West wind 5 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Sunny 5 to 10 mph W 0%
Tonight 55°F Mostly Clear 0 to 5 mph E 0%
Sunday 81°F Mostly Sunny 5 to 10 mph S 0%
Sunday Night 55°F Partly Cloudy 0 to 5 mph N 3%
Monday 74°F Sunny 5 to 10 mph W 1%
Monday Night 50°F Mostly Clear 5 to 10 mph W 0%
Tuesday 78°F Sunny 5 to 10 mph W 0%
Tuesday Night 55°F Clear 0 to 5 mph N 0%
Wednesday 84°F Sunny 5 mph NE 0%
Wednesday Night 59°F Mostly Clear 0 to 5 mph N 1%
Thursday 85°F Sunny 5 to 10 mph SE 7%
Thursday Night 60°F Mostly Clear 0 to 5 mph SE 7%
Friday 84°F Sunny 5 to 10 mph SW 8%
Friday Night 60°F Mostly Clear 0 to 5 mph W 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Descanso, CA

Last spring frost
Apr 22
First fall frost
Nov 8
Growing season
197 days
Hardiness zone
8b

Explore more for Descanso, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Mt Laguna #3, Ca (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.